git.oblomov.eu Git - wine/blob - dlls/dbghelp/msc.c

   1 /*
   2  * File msc.c - read VC++ debug information from COFF and eventually
   3  * from PDB files.
   4  *
   5  * Copyright (C) 1996,      Eric Youngdale.
   6  * Copyright (C) 1999-2000, Ulrich Weigand.
   7  * Copyright (C) 2004-2005, Eric Pouech.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /*
  25  * Note - this handles reading debug information for 32 bit applications
  26  * that run under Windows-NT for example.  I doubt that this would work well
  27  * for 16 bit applications, but I don't think it really matters since the
  28  * file format is different, and we should never get in here in such cases.
  29  *
  30  * TODO:
  31  *      Get 16 bit CV stuff working.
  32  *      Add symbol size to internal symbol table.
  33  */
  34
  35 #include "config.h"
  36 #include "wine/port.h"
  37
  38 #include <assert.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41
  42 #include <string.h>
  43 #ifdef HAVE_UNISTD_H
  44 # include <unistd.h>
  45 #endif
  46 #ifndef PATH_MAX
  47 #define PATH_MAX MAX_PATH
  48 #endif
  49 #include <stdarg.h>
  50 #include "windef.h"
  51 #include "winbase.h"
  52 #include "winreg.h"
  53 #include "winternl.h"
  54
  55 #include "wine/exception.h"
  56 #include "wine/debug.h"
  57 #include "excpt.h"
  58 #include "dbghelp_private.h"
  59 #include "mscvpdb.h"
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
  62
  63 #define MAX_PATHNAME_LEN 1024
  64
  65 /*========================================================================
  66  * Debug file access helper routines
  67  */
  68
  69 static WINE_EXCEPTION_FILTER(page_fault)
  70 {
  71     if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
  72         return EXCEPTION_EXECUTE_HANDLER;
  73     return EXCEPTION_CONTINUE_SEARCH;
  74 }
  75
  76 static void dump(const void* ptr, unsigned len)
  77 {
  78     int         i, j;
  79     BYTE        msg[128];
  80     const char* hexof = "0123456789abcdef";
  81     const BYTE* x = (const BYTE*)ptr;
  82
  83     for (i = 0; i < len; i += 16)
  84     {
  85         sprintf(msg, "%08x: ", i);
  86         memset(msg + 10, ' ', 3 * 16 + 1 + 16);
  87         for (j = 0; j < min(16, len - i); j++)
  88         {
  89             msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
  90             msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
  91             msg[10 + 3 * j + 2] = ' ';
  92             msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
  93                 x[i + j] : '.';
  94         }
  95         msg[10 + 3 * 16] = ' ';
  96         msg[10 + 3 * 16 + 1 + 16] = '\0';
  97         FIXME("%s\n", msg);
  98     }
  99 }
 100
 101 /*========================================================================
 102  * Process CodeView type information.
 103  */
 104
 105 #define MAX_BUILTIN_TYPES       0x0480
 106 #define FIRST_DEFINABLE_TYPE    0x1000
 107
 108 static struct symt*     cv_basic_types[MAX_BUILTIN_TYPES];
 109
 110 #define SymTagCVBitField        (SymTagMax + 0x100)
 111 struct codeview_bitfield
 112 {
 113     struct symt         symt;
 114     unsigned            subtype;
 115     unsigned            bitposition;
 116     unsigned            bitlength;
 117 };
 118
 119 struct cv_defined_module
 120 {
 121     BOOL                allowed;
 122     unsigned int        num_defined_types;
 123     struct symt**       defined_types;
 124
 125     struct codeview_bitfield* bitfields;
 126     unsigned            num_bitfields;
 127     unsigned            used_bitfields;
 128 };
 129 /* FIXME: don't make it static */
 130 #define CV_MAX_MODULES          32
 131 static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
 132 static struct cv_defined_module*cv_current_module;
 133
 134 static void codeview_init_basic_types(struct module* module)
 135 {
 136     /*
 137      * These are the common builtin types that are used by VC++.
 138      */
 139     cv_basic_types[T_NOTYPE] = NULL;
 140     cv_basic_types[T_ABS]    = NULL;
 141     cv_basic_types[T_VOID]   = &symt_new_basic(module, btVoid,  "void", 0)->symt;
 142     cv_basic_types[T_CHAR]   = &symt_new_basic(module, btChar,  "char", 1)->symt;
 143     cv_basic_types[T_SHORT]  = &symt_new_basic(module, btInt,   "short int", 2)->symt;
 144     cv_basic_types[T_LONG]   = &symt_new_basic(module, btInt,   "long int", 4)->symt;
 145     cv_basic_types[T_QUAD]   = &symt_new_basic(module, btInt,   "long long int", 8)->symt;
 146     cv_basic_types[T_UCHAR]  = &symt_new_basic(module, btUInt,  "unsigned char", 1)->symt;
 147     cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt,  "unsigned short", 2)->symt;
 148     cv_basic_types[T_ULONG]  = &symt_new_basic(module, btUInt,  "unsigned long", 4)->symt;
 149     cv_basic_types[T_UQUAD]  = &symt_new_basic(module, btUInt,  "unsigned long long", 8)->symt;
 150     cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
 151     cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
 152     cv_basic_types[T_RCHAR]  = &symt_new_basic(module, btInt,   "signed char", 1)->symt;
 153     cv_basic_types[T_WCHAR]  = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
 154     cv_basic_types[T_INT4]   = &symt_new_basic(module, btInt,   "INT4", 4)->symt;
 155     cv_basic_types[T_UINT4]  = &symt_new_basic(module, btUInt,  "UINT4", 4)->symt;
 156
 157     cv_basic_types[T_32PVOID]   = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
 158     cv_basic_types[T_32PCHAR]   = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
 159     cv_basic_types[T_32PSHORT]  = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
 160     cv_basic_types[T_32PLONG]   = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
 161     cv_basic_types[T_32PQUAD]   = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
 162     cv_basic_types[T_32PUCHAR]  = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
 163     cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
 164     cv_basic_types[T_32PULONG]  = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
 165     cv_basic_types[T_32PUQUAD]  = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
 166     cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
 167     cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
 168     cv_basic_types[T_32PRCHAR]  = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
 169     cv_basic_types[T_32PWCHAR]  = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
 170     cv_basic_types[T_32PINT4]   = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
 171     cv_basic_types[T_32PUINT4]  = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
 172 }
 173
 174 static int numeric_leaf(int* value, const unsigned short int* leaf)
 175 {
 176     unsigned short int type = *leaf++;
 177     int length = 2;
 178
 179     if (type < LF_NUMERIC)
 180     {
 181         *value = type;
 182     }
 183     else
 184     {
 185         switch (type)
 186         {
 187         case LF_CHAR:
 188             length += 1;
 189             *value = *(const char*)leaf;
 190             break;
 191
 192         case LF_SHORT:
 193             length += 2;
 194             *value = *(const short*)leaf;
 195             break;
 196
 197         case LF_USHORT:
 198             length += 2;
 199             *value = *(const unsigned short*)leaf;
 200             break;
 201
 202         case LF_LONG:
 203             length += 4;
 204             *value = *(const int*)leaf;
 205             break;
 206
 207         case LF_ULONG:
 208             length += 4;
 209             *value = *(const unsigned int*)leaf;
 210             break;
 211
 212         case LF_QUADWORD:
 213         case LF_UQUADWORD:
 214             FIXME("Unsupported numeric leaf type %04x\n", type);
 215             length += 8;
 216             *value = 0;    /* FIXME */
 217             break;
 218
 219         case LF_REAL32:
 220             FIXME("Unsupported numeric leaf type %04x\n", type);
 221             length += 4;
 222             *value = 0;    /* FIXME */
 223             break;
 224
 225         case LF_REAL48:
 226             FIXME("Unsupported numeric leaf type %04x\n", type);
 227             length += 6;
 228             *value = 0;    /* FIXME */
 229             break;
 230
 231         case LF_REAL64:
 232             FIXME("Unsupported numeric leaf type %04x\n", type);
 233             length += 8;
 234             *value = 0;    /* FIXME */
 235             break;
 236
 237         case LF_REAL80:
 238             FIXME("Unsupported numeric leaf type %04x\n", type);
 239             length += 10;
 240             *value = 0;    /* FIXME */
 241             break;
 242
 243         case LF_REAL128:
 244             FIXME("Unsupported numeric leaf type %04x\n", type);
 245             length += 16;
 246             *value = 0;    /* FIXME */
 247             break;
 248
 249         case LF_COMPLEX32:
 250             FIXME("Unsupported numeric leaf type %04x\n", type);
 251             length += 4;
 252             *value = 0;    /* FIXME */
 253             break;
 254
 255         case LF_COMPLEX64:
 256             FIXME("Unsupported numeric leaf type %04x\n", type);
 257             length += 8;
 258             *value = 0;    /* FIXME */
 259             break;
 260
 261         case LF_COMPLEX80:
 262             FIXME("Unsupported numeric leaf type %04x\n", type);
 263             length += 10;
 264             *value = 0;    /* FIXME */
 265             break;
 266
 267         case LF_COMPLEX128:
 268             FIXME("Unsupported numeric leaf type %04x\n", type);
 269             length += 16;
 270             *value = 0;    /* FIXME */
 271             break;
 272
 273         case LF_VARSTRING:
 274             FIXME("Unsupported numeric leaf type %04x\n", type);
 275             length += 2 + *leaf;
 276             *value = 0;    /* FIXME */
 277             break;
 278
 279         default:
 280             FIXME("Unknown numeric leaf type %04x\n", type);
 281             *value = 0;
 282             break;
 283         }
 284     }
 285
 286     return length;
 287 }
 288
 289 /* convert a pascal string (as stored in debug information) into
 290  * a C string (null terminated).
 291  */
 292 static const char* terminate_string(const struct p_string* p_name)
 293 {
 294     static char symname[256];
 295
 296     memcpy(symname, p_name->name, p_name->namelen);
 297     symname[p_name->namelen] = '\0';
 298
 299     return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
 300 }
 301
 302 static struct symt*  codeview_get_type(unsigned int typeno, BOOL allow_special)
 303 {
 304     struct symt*        symt = NULL;
 305
 306     /*
 307      * Convert Codeview type numbers into something we can grok internally.
 308      * Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
 309      * Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
 310      */
 311     if (typeno < FIRST_DEFINABLE_TYPE)
 312     {
 313         if (typeno < MAX_BUILTIN_TYPES)
 314             symt = cv_basic_types[typeno];
 315     }
 316     else
 317     {
 318         unsigned        mod_index = typeno >> 24;
 319         unsigned        mod_typeno = typeno & 0x00FFFFFF;
 320         struct cv_defined_module*       mod;
 321
 322         mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
 323
 324         if (mod_index >= CV_MAX_MODULES || !mod->allowed)
 325             FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
 326         else
 327         {
 328             if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
 329                 symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
 330         }
 331     }
 332     if (!allow_special && symt && symt->tag == SymTagCVBitField)
 333         FIXME("bitfields are only handled for UDTs\n");
 334     if (!symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
 335     return symt;
 336 }
 337
 338 static int codeview_add_type(unsigned int typeno, struct symt* dt)
 339 {
 340     if (typeno < FIRST_DEFINABLE_TYPE)
 341         FIXME("What the heck\n");
 342     if (!cv_current_module)
 343     {
 344         FIXME("Adding %x to non allowed module\n", typeno);
 345         return FALSE;
 346     }
 347     if ((typeno >> 24) != 0)
 348         FIXME("No module index while inserting type-id assumption is wrong %x\n",
 349               typeno);
 350     while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
 351     {
 352         cv_current_module->num_defined_types += 0x100;
 353         if (cv_current_module->defined_types)
 354             cv_current_module->defined_types = (struct symt**)
 355                 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 356                             cv_current_module->defined_types,
 357                             cv_current_module->num_defined_types * sizeof(struct symt*));
 358         else
 359             cv_current_module->defined_types = (struct symt**)
 360                 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 361                           cv_current_module->num_defined_types * sizeof(struct symt*));
 362
 363         if (cv_current_module->defined_types == NULL) return FALSE;
 364     }
 365
 366     cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
 367     return TRUE;
 368 }
 369
 370 static void codeview_clear_type_table(void)
 371 {
 372     int i;
 373
 374     for (i = 0; i < CV_MAX_MODULES; i++)
 375     {
 376         if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
 377             HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
 378         cv_zmodules[i].allowed = FALSE;
 379         cv_zmodules[i].defined_types = NULL;
 380         cv_zmodules[i].num_defined_types = 0;
 381         HeapFree(GetProcessHeap(), 0, cv_zmodules[i].bitfields);
 382         cv_zmodules[i].bitfields = NULL;
 383         cv_zmodules[i].num_bitfields = cv_zmodules[i].used_bitfields = 0;
 384     }
 385     cv_current_module = NULL;
 386 }
 387
 388 static int codeview_add_type_pointer(struct module* module, unsigned int typeno,
 389                                      unsigned int datatype)
 390 {
 391     struct symt* symt = &symt_new_pointer(module,
 392                                           codeview_get_type(datatype, FALSE))->symt;
 393     return codeview_add_type(typeno, symt);
 394 }
 395
 396 static int codeview_add_type_array(struct module* module,
 397                                    unsigned int typeno, const char* name,
 398                                    unsigned int elemtype, unsigned int arr_len)
 399 {
 400     struct symt*        symt;
 401     struct symt*        elem = codeview_get_type(elemtype, FALSE);
 402     DWORD               arr_max = 0;
 403
 404     if (elem)
 405     {
 406         DWORD elem_size;
 407         symt_get_info(elem, TI_GET_LENGTH, &elem_size);
 408         if (elem_size) arr_max = arr_len / elem_size;
 409     }
 410     symt = &symt_new_array(module, 0, arr_max, elem)->symt;
 411     return codeview_add_type(typeno, symt);
 412 }
 413
 414 static int codeview_add_type_bitfield(unsigned int typeno, unsigned int bitoff,
 415                                       unsigned int nbits, unsigned int basetype)
 416 {
 417     if (cv_current_module->used_bitfields >= cv_current_module->num_bitfields)
 418     {
 419         if (cv_current_module->bitfields)
 420         {
 421             cv_current_module->num_bitfields *= 2;
 422             cv_current_module->bitfields =
 423                 HeapReAlloc(GetProcessHeap(), 0,
 424                             cv_current_module->bitfields,
 425                             cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
 426         }
 427         else
 428         {
 429             cv_current_module->num_bitfields = 64;
 430             cv_current_module->bitfields =
 431                 HeapAlloc(GetProcessHeap(), 0,
 432                           cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
 433         }
 434         if (!cv_current_module->bitfields) return 0;
 435     }
 436
 437     cv_current_module->bitfields[cv_current_module->used_bitfields].symt.tag    = SymTagCVBitField;
 438     cv_current_module->bitfields[cv_current_module->used_bitfields].subtype     = basetype;
 439     cv_current_module->bitfields[cv_current_module->used_bitfields].bitposition = bitoff;
 440     cv_current_module->bitfields[cv_current_module->used_bitfields].bitlength   = nbits;
 441
 442     return codeview_add_type(typeno, &cv_current_module->bitfields[cv_current_module->used_bitfields++].symt);
 443 }
 444
 445 static int codeview_add_type_enum_field_list(struct module* module,
 446                                              unsigned int typeno,
 447                                              const unsigned char* list, int len)
 448 {
 449     struct symt_enum*           symt;
 450     const unsigned char*        ptr = list;
 451
 452     symt = symt_new_enum(module, NULL);
 453     while (ptr - list < len)
 454     {
 455         const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
 456
 457         if (*ptr >= 0xf0)       /* LF_PAD... */
 458         {
 459             ptr += *ptr & 0x0f;
 460             continue;
 461         }
 462
 463         switch (type->generic.id)
 464         {
 465         case LF_ENUMERATE_V1:
 466         {
 467             int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
 468             const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
 469
 470             symt_add_enum_element(module, symt, terminate_string(p_name), value);
 471             ptr += 2 + 2 + vlen + (1 + p_name->namelen);
 472             break;
 473         }
 474         case LF_ENUMERATE_V3:
 475         {
 476             int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
 477             const char* name = (const char*)&type->enumerate_v3.value + vlen;
 478
 479             symt_add_enum_element(module, symt, name, value);
 480             ptr += 2 + 2 + vlen + (1 + strlen(name));
 481             break;
 482         }
 483
 484         default:
 485             FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
 486             return FALSE;
 487         }
 488     }
 489
 490     return codeview_add_type(typeno, &symt->symt);
 491 }
 492
 493 static int codeview_add_type_struct_field_list(struct module* module,
 494                                                unsigned int typeno,
 495                                                const unsigned char* list, int len)
 496 {
 497     struct symt_udt*            symt;
 498     const unsigned char*        ptr = list;
 499     int                         value, leaf_len;
 500     const struct p_string*      p_name;
 501     const char*                 c_name;
 502     struct symt*                subtype;
 503
 504     symt = symt_new_udt(module, NULL, 0, UdtStruct /* don't care */);
 505     while (ptr - list < len)
 506     {
 507         const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
 508
 509         if (*ptr >= 0xf0)       /* LF_PAD... */
 510         {
 511             ptr +=* ptr & 0x0f;
 512             continue;
 513         }
 514
 515         switch (type->generic.id)
 516         {
 517         case LF_BCLASS_V1:
 518             leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
 519
 520             /* FIXME: ignored for now */
 521
 522             ptr += 2 + 2 + 2 + leaf_len;
 523             break;
 524
 525         case LF_BCLASS_V2:
 526             leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
 527
 528             /* FIXME: ignored for now */
 529
 530             ptr += 2 + 2 + 4 + leaf_len;
 531             break;
 532
 533         case LF_VBCLASS_V1:
 534         case LF_IVBCLASS_V1:
 535             {
 536                 const unsigned short int* p_vboff;
 537                 int vpoff, vplen;
 538                 leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
 539                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
 540                 vplen = numeric_leaf(&vpoff, p_vboff);
 541
 542                 /* FIXME: ignored for now */
 543
 544                 ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
 545             }
 546             break;
 547
 548         case LF_VBCLASS_V2:
 549         case LF_IVBCLASS_V2:
 550             {
 551                 const unsigned short int* p_vboff;
 552                 int vpoff, vplen;
 553                 leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
 554                 p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
 555                 vplen = numeric_leaf(&vpoff, p_vboff);
 556
 557                 /* FIXME: ignored for now */
 558
 559                 ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
 560             }
 561             break;
 562
 563         case LF_MEMBER_V1:
 564             leaf_len = numeric_leaf(&value, &type->member_v1.offset);
 565             p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
 566             subtype = codeview_get_type(type->member_v1.type, TRUE);
 567
 568             if (!subtype || subtype->tag != SymTagCVBitField)
 569             {
 570                 DWORD elem_size = 0;
 571                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 572                 symt_add_udt_element(module, symt, terminate_string(p_name),
 573                                      codeview_get_type(type->member_v1.type, TRUE),
 574                                      value << 3, elem_size << 3);
 575             }
 576             else
 577             {
 578                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 579                 symt_add_udt_element(module, symt, terminate_string(p_name),
 580                                      codeview_get_type(cvbf->subtype, FALSE),
 581                                      cvbf->bitposition, cvbf->bitlength);
 582             }
 583
 584             ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
 585             break;
 586
 587         case LF_MEMBER_V2:
 588             leaf_len = numeric_leaf(&value, &type->member_v2.offset);
 589             p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
 590             subtype = codeview_get_type(type->member_v2.type, TRUE);
 591
 592             if (!subtype || subtype->tag != SymTagCVBitField)
 593             {
 594                 DWORD elem_size = 0;
 595                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 596                 symt_add_udt_element(module, symt, terminate_string(p_name),
 597                                      subtype, value << 3, elem_size << 3);
 598             }
 599             else
 600             {
 601                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 602                 symt_add_udt_element(module, symt, terminate_string(p_name),
 603                                      codeview_get_type(cvbf->subtype, FALSE),
 604                                      cvbf->bitposition, cvbf->bitlength);
 605             }
 606
 607             ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
 608             break;
 609
 610         case LF_MEMBER_V3:
 611             leaf_len = numeric_leaf(&value, &type->member_v3.offset);
 612             c_name = (const char*)&type->member_v3.offset + leaf_len;
 613             subtype = codeview_get_type(type->member_v3.type, TRUE);
 614
 615             if (!subtype || subtype->tag != SymTagCVBitField)
 616             {
 617                 DWORD elem_size = 0;
 618                 if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
 619                 symt_add_udt_element(module, symt, c_name,
 620                                      subtype, value << 3, elem_size << 3);
 621             }
 622             else
 623             {
 624                 struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
 625                 symt_add_udt_element(module, symt, c_name,
 626                                      codeview_get_type(cvbf->subtype, FALSE),
 627                                      cvbf->bitposition, cvbf->bitlength);
 628             }
 629
 630             ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
 631             break;
 632
 633         case LF_STMEMBER_V1:
 634             /* FIXME: ignored for now */
 635             ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
 636             break;
 637
 638         case LF_STMEMBER_V2:
 639             /* FIXME: ignored for now */
 640             ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
 641             break;
 642
 643         case LF_METHOD_V1:
 644             /* FIXME: ignored for now */
 645             ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
 646             break;
 647
 648         case LF_METHOD_V2:
 649             /* FIXME: ignored for now */
 650             ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
 651             break;
 652
 653         case LF_NESTTYPE_V1:
 654             /* FIXME: ignored for now */
 655             ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
 656             break;
 657
 658         case LF_NESTTYPE_V2:
 659             /* FIXME: ignored for now */
 660             ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
 661             break;
 662
 663         case LF_VFUNCTAB_V1:
 664             /* FIXME: ignored for now */
 665             ptr += 2 + 2;
 666             break;
 667
 668         case LF_VFUNCTAB_V2:
 669             /* FIXME: ignored for now */
 670             ptr += 2 + 2 + 4;
 671             break;
 672
 673         case LF_ONEMETHOD_V1:
 674             /* FIXME: ignored for now */
 675             switch ((type->onemethod_v1.attribute >> 2) & 7)
 676             {
 677             case 4: case 6: /* (pure) introducing virtual method */
 678                 ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
 679                 break;
 680
 681             default:
 682                 ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
 683                 break;
 684             }
 685             break;
 686
 687         case LF_ONEMETHOD_V2:
 688             /* FIXME: ignored for now */
 689             switch ((type->onemethod_v2.attribute >> 2) & 7)
 690             {
 691             case 4: case 6: /* (pure) introducing virtual method */
 692                 ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
 693                 break;
 694
 695             default:
 696                 ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
 697                 break;
 698             }
 699             break;
 700
 701         default:
 702             FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
 703             return FALSE;
 704         }
 705     }
 706
 707     return codeview_add_type(typeno, &symt->symt);
 708 }
 709
 710 static int codeview_add_type_enum(struct module* module, unsigned int typeno,
 711                                   const char* name, unsigned int fieldlist)
 712 {
 713     struct symt_enum*   symt = symt_new_enum(module, name);
 714     struct symt*        list = codeview_get_type(fieldlist, FALSE);
 715
 716     /* FIXME: this is rather ugly !!! */
 717     if (list) symt->vchildren = ((struct symt_enum*)list)->vchildren;
 718
 719     return codeview_add_type(typeno, &symt->symt);
 720 }
 721
 722 static int codeview_add_type_struct(struct module* module, unsigned int typeno,
 723                                     const char* name, int structlen,
 724                                     unsigned int fieldlist, enum UdtKind kind)
 725 {
 726     struct symt_udt*    symt = symt_new_udt(module, name, structlen, kind);
 727     struct symt*        list = codeview_get_type(fieldlist, FALSE);
 728
 729     /* FIXME: this is rather ugly !!! */
 730     if (list) symt->vchildren = ((struct symt_udt*)list)->vchildren;
 731
 732     return codeview_add_type(typeno, &symt->symt);
 733 }
 734
 735 static int codeview_new_func_signature(struct module* module, unsigned typeno,
 736                                            unsigned ret_type)
 737 {
 738     struct symt* symt;
 739     symt = &symt_new_function_signature(module,
 740                                         codeview_get_type(ret_type, FALSE))->symt;
 741     return codeview_add_type(typeno, symt);
 742 }
 743
 744 static int codeview_parse_type_table(struct module* module, const char* table,
 745                                      int len)
 746 {
 747     unsigned int                curr_type = 0x1000;
 748     const char*                 ptr = table;
 749     int                         retv;
 750     const union codeview_type*  type;
 751     int                         value, leaf_len;
 752     const struct p_string*      p_name;
 753     const char*                 c_name;
 754
 755     while (ptr - table < len)
 756     {
 757         retv = TRUE;
 758         type = (const union codeview_type*)ptr;
 759
 760         switch (type->generic.id)
 761         {
 762         case LF_MODIFIER_V1:
 763             /* FIXME: we don't handle modifiers,
 764              * but readd previous type on the curr_type
 765              */
 766             WARN("Modifier on %x: %s%s%s%s\n",
 767                  type->modifier_v1.type,
 768                  type->modifier_v1.attribute & 0x01 ? "const " : "",
 769                  type->modifier_v1.attribute & 0x02 ? "volatile " : "",
 770                  type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
 771                  type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
 772             codeview_add_type(curr_type,
 773                               codeview_get_type(type->modifier_v1.type, FALSE));
 774             break;
 775         case LF_MODIFIER_V2:
 776             /* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
 777             WARN("Modifier on %x: %s%s%s%s\n",
 778                  type->modifier_v2.type,
 779                  type->modifier_v2.attribute & 0x01 ? "const " : "",
 780                  type->modifier_v2.attribute & 0x02 ? "volatile " : "",
 781                  type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
 782                  type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
 783             codeview_add_type(curr_type,
 784                               codeview_get_type(type->modifier_v2.type, FALSE));
 785             break;
 786
 787         case LF_POINTER_V1:
 788             retv = codeview_add_type_pointer(module, curr_type,
 789                                              type->pointer_v1.datatype);
 790             break;
 791         case LF_POINTER_V2:
 792             retv = codeview_add_type_pointer(module, curr_type,
 793                                              type->pointer_v2.datatype);
 794             break;
 795
 796         case LF_ARRAY_V1:
 797             leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
 798             p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
 799
 800             retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
 801                                            type->array_v1.elemtype, value);
 802             break;
 803         case LF_ARRAY_V2:
 804             leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
 805             p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
 806
 807             retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
 808                                            type->array_v2.elemtype, value);
 809             break;
 810         case LF_ARRAY_V3:
 811             leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
 812             c_name = (const char*)&type->array_v3.arrlen + leaf_len;
 813
 814             retv = codeview_add_type_array(module, curr_type, c_name,
 815                                            type->array_v3.elemtype, value);
 816             break;
 817
 818         case LF_BITFIELD_V1:
 819             /* a bitfield is a CodeView specific data type which represent a bitfield
 820              * in a structure or a class. For now, we store it in a SymTag-like type
 821              * (so that the rest of the process is seamless), but check at udt
 822              * inclusion type for its presence
 823              */
 824             retv = codeview_add_type_bitfield(curr_type, type->bitfield_v1.bitoff,
 825                                               type->bitfield_v1.nbits,
 826                                               type->bitfield_v1.type);
 827             break;
 828         case LF_BITFIELD_V2:
 829             retv = codeview_add_type_bitfield(curr_type, type->bitfield_v2.bitoff,
 830                                               type->bitfield_v2.nbits,
 831                                               type->bitfield_v2.type);
 832             break;
 833         case LF_FIELDLIST_V1:
 834         case LF_FIELDLIST_V2:
 835            {
 836                /*
 837                 * A 'field list' is a CodeView-specific data type which doesn't
 838                 * directly correspond to any high-level data type.  It is used
 839                 * to hold the collection of members of a struct, class, union
 840                 * or enum type.  The actual definition of that type will follow
 841                 * later, and refer to the field list definition record.
 842                 *
 843                 * As we don't have a field list type ourselves, we look ahead
 844                 * in the field list to try to find out whether this field list
 845                 * will be used for an enum or struct type, and create a dummy
 846                 * type of the corresponding sort.  Later on, the definition of
 847                 * the 'real' type will copy the member / enumeration data.
 848                 */
 849                const char* list = type->fieldlist.list;
 850                int   len  = (ptr + type->generic.len + 2) - list;
 851
 852                if (((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V1 ||
 853                    ((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V3)
 854                    retv = codeview_add_type_enum_field_list(module, curr_type, list, len);
 855                else
 856                    retv = codeview_add_type_struct_field_list(module, curr_type, list, len);
 857            }
 858            break;
 859
 860         case LF_STRUCTURE_V1:
 861         case LF_CLASS_V1:
 862             leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
 863             p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
 864
 865             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 866                                             value, type->struct_v1.fieldlist,
 867                                             type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
 868             break;
 869
 870         case LF_STRUCTURE_V2:
 871         case LF_CLASS_V2:
 872             leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
 873             p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
 874
 875             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 876                                             value, type->struct_v2.fieldlist,
 877                                             type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
 878             break;
 879
 880         case LF_STRUCTURE_V3:
 881         case LF_CLASS_V3:
 882             leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
 883             c_name = (const char*)&type->struct_v3.structlen + leaf_len;
 884
 885             retv = codeview_add_type_struct(module, curr_type, c_name,
 886                                             value, type->struct_v3.fieldlist,
 887                                             type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
 888             break;
 889
 890         case LF_UNION_V1:
 891             leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
 892             p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
 893
 894             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 895                                             value, type->union_v1.fieldlist, UdtUnion);
 896             break;
 897         case LF_UNION_V2:
 898             leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
 899             p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
 900
 901             retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
 902                                             value, type->union_v2.fieldlist, UdtUnion);
 903             break;
 904         case LF_UNION_V3:
 905             leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
 906             c_name = (const char*)&type->union_v3.un_len + leaf_len;
 907
 908             retv = codeview_add_type_struct(module, curr_type, c_name,
 909                                             value, type->union_v3.fieldlist, UdtUnion);
 910
 911         case LF_ENUM_V1:
 912             retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v1.p_name),
 913                                           type->enumeration_v1.field);
 914             break;
 915
 916         case LF_ENUM_V2:
 917             retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v2.p_name),
 918                                           type->enumeration_v2.field);
 919             break;
 920         case LF_ENUM_V3:
 921             retv = codeview_add_type_enum(module, curr_type, type->enumeration_v3.name,
 922                                           type->enumeration_v3.field);
 923             break;
 924         case LF_PROCEDURE_V1:
 925             retv = codeview_new_func_signature(module, curr_type,
 926                                                type->procedure_v1.rvtype);
 927             break;
 928         case LF_PROCEDURE_V2:
 929             retv = codeview_new_func_signature(module, curr_type,
 930                                                type->procedure_v2.rvtype);
 931             break;
 932         case LF_MFUNCTION_V1:
 933             /* FIXME: for C++, this is plain wrong, but as we don't use arg types
 934              * nor class information, this would just do for now
 935              */
 936             retv = codeview_new_func_signature(module, curr_type,
 937                                                type->mfunction_v1.rvtype);
 938             break;
 939         case LF_MFUNCTION_V2:
 940             /* FIXME: for C++, this is plain wrong, but as we don't use arg types
 941              * nor class information, this would just do for now
 942              */
 943             retv = codeview_new_func_signature(module, curr_type,
 944                                                type->mfunction_v2.rvtype);
 945             break;
 946         case LF_ARGLIST_V1:
 947         case LF_ARGLIST_V2:
 948             {
 949                 static int once;
 950                 if (!once++)
 951                     FIXME("Not adding parameters' types to function signature\n");
 952             }
 953             break;
 954
 955         default:
 956             FIXME("Unsupported type-id leaf %x\n", type->generic.id);
 957             dump(type, 2 + type->generic.len);
 958             break;
 959         }
 960         if (!retv) return FALSE;
 961         curr_type++;
 962         ptr += type->generic.len + 2;
 963     }
 964
 965     return TRUE;
 966 }
 967
 968 /*========================================================================
 969  * Process CodeView line number information.
 970  */
 971
 972 static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
 973                                                        const char* linetab, int size,
 974                                                        BOOL pascal_str)
 975 {
 976     int                         file_segcount;
 977     char                        filename[PATH_MAX];
 978     const unsigned int*         filetab;
 979     const struct p_string*      p_fn;
 980     int                         i;
 981     int                         k;
 982     struct codeview_linetab*    lt_hdr;
 983     const unsigned int*         lt_ptr;
 984     int                         nfile;
 985     int                         nseg;
 986     union any_size              pnt;
 987     union any_size              pnt2;
 988     const struct startend*      start;
 989     int                         this_seg;
 990     struct symt_compiland*      compiland;
 991
 992     /*
 993      * Now get the important bits.
 994      */
 995     pnt.c = linetab;
 996     nfile = *pnt.s++;
 997     nseg = *pnt.s++;
 998
 999     filetab = (const unsigned int*) pnt.c;
1000
1001     /*
1002      * Now count up the number of segments in the file.
1003      */
1004     nseg = 0;
1005     for (i = 0; i < nfile; i++)
1006     {
1007         pnt2.c = linetab + filetab[i];
1008         nseg += *pnt2.s;
1009     }
1010
1011     /*
1012      * Next allocate the header we will be returning.
1013      * There is one header for each segment, so that we can reach in
1014      * and pull bits as required.
1015      */
1016     lt_hdr = (struct codeview_linetab*)
1017         HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
1018     if (lt_hdr == NULL)
1019     {
1020         goto leave;
1021     }
1022
1023     /*
1024      * Now fill the header we will be returning, one for each segment.
1025      * Note that this will basically just contain pointers into the existing
1026      * line table, and we do not actually copy any additional information
1027      * or allocate any additional memory.
1028      */
1029
1030     this_seg = 0;
1031     for (i = 0; i < nfile; i++)
1032     {
1033         /*
1034          * Get the pointer into the segment information.
1035          */
1036         pnt2.c = linetab + filetab[i];
1037         file_segcount = *pnt2.s;
1038
1039         pnt2.ui++;
1040         lt_ptr = (const unsigned int*) pnt2.c;
1041         start = (const struct startend*)(lt_ptr + file_segcount);
1042
1043         /*
1044          * Now snarf the filename for all of the segments for this file.
1045          */
1046         if (pascal_str)
1047         {
1048             p_fn = (const struct p_string*)(start + file_segcount);
1049             memset(filename, 0, sizeof(filename));
1050             memcpy(filename, p_fn->name, p_fn->namelen);
1051             compiland = symt_new_compiland(module, filename);
1052         }
1053         else
1054             compiland = symt_new_compiland(module, (const char*)(start + file_segcount));
1055
1056         for (k = 0; k < file_segcount; k++, this_seg++)
1057         {
1058             pnt2.c = linetab + lt_ptr[k];
1059             lt_hdr[this_seg].start      = start[k].start;
1060             lt_hdr[this_seg].end        = start[k].end;
1061             lt_hdr[this_seg].compiland  = compiland;
1062             lt_hdr[this_seg].segno      = *pnt2.s++;
1063             lt_hdr[this_seg].nline      = *pnt2.s++;
1064             lt_hdr[this_seg].offtab     = pnt2.ui;
1065             lt_hdr[this_seg].linetab    = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
1066         }
1067     }
1068
1069 leave:
1070
1071   return lt_hdr;
1072
1073 }
1074
1075 /*========================================================================
1076  * Process CodeView symbol information.
1077  */
1078
1079 static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
1080                                         unsigned int offset)
1081 {
1082     int                 nomap = msc_dbg->nomap;
1083     const OMAP_DATA*    omapp = msc_dbg->omapp;
1084     int                 i;
1085
1086     if (!nomap || !omapp) return offset;
1087
1088     /* FIXME: use binary search */
1089     for (i = 0; i < nomap - 1; i++)
1090         if (omapp[i].from <= offset && omapp[i+1].from > offset)
1091             return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
1092
1093     return 0;
1094 }
1095
1096 static const struct codeview_linetab*
1097 codeview_get_linetab(const struct codeview_linetab* linetab,
1098                      unsigned seg, unsigned offset)
1099 {
1100     /*
1101      * Check whether we have line number information
1102      */
1103     if (linetab)
1104     {
1105         for (; linetab->linetab; linetab++)
1106             if (linetab->segno == seg &&
1107                 linetab->start <= offset && linetab->end   >  offset)
1108                 break;
1109         if (!linetab->linetab) linetab = NULL;
1110     }
1111     return linetab;
1112 }
1113
1114 static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
1115                                      unsigned seg, unsigned offset)
1116 {
1117     int                         nsect = msc_dbg->nsect;
1118     const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
1119
1120     if (!seg || seg > nsect) return 0;
1121     return msc_dbg->module->module.BaseOfImage +
1122         codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
1123 }
1124
1125 static void codeview_add_func_linenum(struct module* module,
1126                                       struct symt_function* func,
1127                                       const struct codeview_linetab* linetab,
1128                                       unsigned offset, unsigned size)
1129 {
1130     unsigned int        i;
1131
1132     if (!linetab) return;
1133     for (i = 0; i < linetab->nline; i++)
1134     {
1135         if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
1136         {
1137             symt_add_func_line(module, func, linetab->compiland->source,
1138                                linetab->linetab[i], linetab->offtab[i] - offset);
1139         }
1140     }
1141 }
1142
1143 static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
1144                           int offset, int size,
1145                           struct codeview_linetab* linetab)
1146 {
1147     struct symt_function*               curr_func = NULL;
1148     int                                 i, length;
1149     const struct codeview_linetab*      flt;
1150     struct symt_block*                  block = NULL;
1151     struct symt*                        symt;
1152     const char*                         name;
1153
1154     /*
1155      * Loop over the different types of records and whenever we
1156      * find something we are interested in, record it and move on.
1157      */
1158     for (i = offset; i < size; i += length)
1159     {
1160         const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
1161         length = sym->generic.len + 2;
1162         if (i + length > size) break;
1163         if (length & 3) FIXME("unpadded len %u\n", length);
1164
1165         switch (sym->generic.id)
1166         {
1167         /*
1168          * Global and local data symbols.  We don't associate these
1169          * with any given source file.
1170          */
1171         case S_GDATA_V1:
1172         case S_LDATA_V1:
1173             flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1174             symt_new_global_variable(msc_dbg->module,
1175                                      flt ? flt->compiland : NULL,
1176                                      terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
1177                                      codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1178                                      0,
1179                                      codeview_get_type(sym->data_v1.symtype, FALSE));
1180             break;
1181         case S_GDATA_V2:
1182         case S_LDATA_V2:
1183             flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1184             name = terminate_string(&sym->data_v2.p_name);
1185             if (name)
1186                 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1187                                          name, sym->generic.id == S_LDATA_V2,
1188                                          codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1189                                          0,
1190                                          codeview_get_type(sym->data_v2.symtype, FALSE));
1191             break;
1192         case S_GDATA_V3:
1193         case S_LDATA_V3:
1194             flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1195             if (*sym->data_v3.name)
1196                 symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
1197                                          sym->data_v3.name,
1198                                          sym->generic.id == S_LDATA_V3,
1199                                          codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1200                                          0,
1201                                          codeview_get_type(sym->data_v3.symtype, FALSE));
1202             break;
1203
1204         case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
1205             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1206             {
1207                 flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
1208                 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1209                                 terminate_string(&sym->data_v1.p_name),
1210                                 codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
1211                                 0, TRUE /* FIXME */, TRUE /* FIXME */);
1212             }
1213             break;
1214         case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
1215             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1216             {
1217                 flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
1218                 symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
1219                                 terminate_string(&sym->data_v2.p_name),
1220                                 codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
1221                                 0, TRUE /* FIXME */, TRUE /* FIXME */);
1222             }
1223             break;
1224
1225         /*
1226          * Sort of like a global function, but it just points
1227          * to a thunk, which is a stupid name for what amounts to
1228          * a PLT slot in the normal jargon that everyone else uses.
1229          */
1230         case S_THUNK_V1:
1231             flt = codeview_get_linetab(linetab, sym->thunk_v1.segment, sym->thunk_v1.offset);
1232             symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1233                            terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
1234                            codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
1235                            sym->thunk_v1.thunk_len);
1236             break;
1237         case S_THUNK_V3:
1238             flt = codeview_get_linetab(linetab, sym->thunk_v3.segment, sym->thunk_v3.offset);
1239             symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
1240                            sym->thunk_v3.name, sym->thunk_v3.thtype,
1241                            codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
1242                            sym->thunk_v3.thunk_len);
1243             break;
1244
1245         /*
1246          * Global and static functions.
1247          */
1248         case S_GPROC_V1:
1249         case S_LPROC_V1:
1250             flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
1251             if (curr_func) FIXME("nested function\n");
1252             curr_func = symt_new_function(msc_dbg->module,
1253                                           flt ? flt->compiland : NULL,
1254                                           terminate_string(&sym->proc_v1.p_name),
1255                                           codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
1256                                           sym->proc_v1.proc_len,
1257                                           codeview_get_type(sym->proc_v1.proctype, FALSE));
1258             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1259                                       sym->proc_v1.offset, sym->proc_v1.proc_len);
1260             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
1261             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
1262             break;
1263         case S_GPROC_V2:
1264         case S_LPROC_V2:
1265             flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
1266             if (curr_func) FIXME("nested function\n");
1267             curr_func = symt_new_function(msc_dbg->module,
1268                                           flt ? flt->compiland : NULL,
1269                                           terminate_string(&sym->proc_v2.p_name),
1270                                           codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
1271                                           sym->proc_v2.proc_len,
1272                                           codeview_get_type(sym->proc_v2.proctype, FALSE));
1273             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1274                                       sym->proc_v2.offset, sym->proc_v2.proc_len);
1275             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
1276             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
1277             break;
1278         case S_GPROC_V3:
1279         case S_LPROC_V3:
1280             flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
1281             if (curr_func) FIXME("nested function\n");
1282             curr_func = symt_new_function(msc_dbg->module,
1283                                           flt ? flt->compiland : NULL,
1284                                           sym->proc_v3.name,
1285                                           codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
1286                                           sym->proc_v3.proc_len,
1287                                           codeview_get_type(sym->proc_v3.proctype, FALSE));
1288             codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
1289                                       sym->proc_v3.offset, sym->proc_v3.proc_len);
1290             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
1291             symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
1292             break;
1293         /*
1294          * Function parameters and stack variables.
1295          */
1296         case S_BPREL_V1:
1297             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
1298                                 block, codeview_get_type(sym->stack_v1.symtype, FALSE),
1299                                 terminate_string(&sym->stack_v1.p_name));
1300             break;
1301         case S_BPREL_V2:
1302             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
1303                                 block, codeview_get_type(sym->stack_v2.symtype, FALSE),
1304                                 terminate_string(&sym->stack_v2.p_name));
1305             break;
1306         case S_BPREL_V3:
1307             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
1308                                 block, codeview_get_type(sym->stack_v3.symtype, FALSE),
1309                                 sym->stack_v3.name);
1310             break;
1311
1312         case S_REGISTER_V1:
1313             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
1314                                 block, codeview_get_type(sym->register_v1.type, FALSE),
1315                                 terminate_string(&sym->register_v1.p_name));
1316             break;
1317         case S_REGISTER_V2:
1318             symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
1319                                 block, codeview_get_type(sym->register_v2.type, FALSE),
1320                                 terminate_string(&sym->register_v2.p_name));
1321             break;
1322
1323         case S_BLOCK_V1:
1324             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1325                                          codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
1326                                          sym->block_v1.length);
1327             break;
1328         case S_BLOCK_V3:
1329             block = symt_open_func_block(msc_dbg->module, curr_func, block,
1330                                          codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
1331                                          sym->block_v3.length);
1332             break;
1333
1334         case S_END_V1:
1335             if (block)
1336             {
1337                 block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
1338             }
1339             else if (curr_func)
1340             {
1341                 symt_normalize_function(msc_dbg->module, curr_func);
1342                 curr_func = NULL;
1343             }
1344             break;
1345
1346         /* FIXME: we should use this as a compiland, instead of guessing it on the fly */
1347         case S_COMPILAND_V1:
1348             TRACE("S-Compiland-V1e %x %s\n",
1349                   sym->compiland_v1.unknown,
1350                   terminate_string(&sym->compiland_v1.p_name));
1351             break;
1352
1353         case S_COMPILAND_V2:
1354             TRACE("S-Compiland-V2 %s\n",
1355                   terminate_string(&sym->compiland_v2.p_name));
1356             if (TRACE_ON(dbghelp_msc))
1357             {
1358                 const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
1359                 const char* ptr2;
1360                 while (*ptr1)
1361                 {
1362                     ptr2 = ptr1 + strlen(ptr1) + 1;
1363                     TRACE("\t%s => %s\n", ptr1, ptr2);
1364                     ptr1 = ptr2 + strlen(ptr2) + 1;
1365                 }
1366             }
1367             break;
1368         case S_COMPILAND_V3:
1369             TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
1370             if (TRACE_ON(dbghelp_msc))
1371             {
1372                 const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
1373                 const char* ptr2;
1374                 while (*ptr1)
1375                 {
1376                     ptr2 = ptr1 + strlen(ptr1) + 1;
1377                     TRACE("\t%s => %s\n", ptr1, ptr2);
1378                     ptr1 = ptr2 + strlen(ptr2) + 1;
1379                 }
1380             }
1381             break;
1382
1383         case S_OBJNAME_V1:
1384             TRACE("S-ObjName %.*s\n", ((const BYTE*)sym)[8], (const BYTE*)sym + 9);
1385             break;
1386
1387         case S_LABEL_V1:
1388             if (curr_func)
1389             {
1390                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1391                                         codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
1392                                         terminate_string(&sym->label_v1.p_name));
1393             }
1394             else
1395                 FIXME("No current function for label %s\n",
1396                       terminate_string(&sym->label_v1.p_name));
1397             break;
1398         case S_LABEL_V3:
1399             if (curr_func)
1400             {
1401                 symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
1402                                         codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
1403                                         sym->label_v3.name);
1404             }
1405             else
1406                 FIXME("No current function for label %s\n", sym->label_v3.name);
1407             break;
1408
1409         case S_CONSTANT_V1:
1410             {
1411                 int                     val, vlen;
1412                 const struct p_string*  name;
1413                 const char*             x;
1414                 struct symt*            se;
1415
1416                 vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
1417                 name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
1418                 se = codeview_get_type(sym->constant_v1.type, FALSE);
1419                 if (!se) x = "---";
1420                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1421                 else x = "###";
1422
1423                 TRACE("S-Constant-V1 %u %s %x (%s)\n",
1424                       val, terminate_string(name), sym->constant_v1.type, x);
1425                 /* FIXME: we should add this as a constant value */
1426             }
1427             break;
1428         case S_CONSTANT_V2:
1429             {
1430                 int                     val, vlen;
1431                 const struct p_string*  name;
1432                 const char*             x;
1433                 struct symt*            se;
1434
1435                 vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
1436                 name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
1437                 se = codeview_get_type(sym->constant_v2.type, FALSE);
1438                 if (!se) x = "---";
1439                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1440                 else x = "###";
1441
1442                 TRACE("S-Constant-V2 %u %s %x (%s)\n",
1443                       val, terminate_string(name), sym->constant_v2.type, x);
1444                 /* FIXME: we should add this as a constant value */
1445             }
1446             break;
1447         case S_CONSTANT_V3:
1448             {
1449                 int                     val, vlen;
1450                 const char*             name;
1451                 const char*             x;
1452                 struct symt*            se;
1453
1454                 vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
1455                 name = (const char*)&sym->constant_v3.cvalue + vlen;
1456                 se = codeview_get_type(sym->constant_v3.type, FALSE);
1457                 if (!se) x = "---";
1458                 else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
1459                 else x = "###";
1460
1461                 TRACE("S-Constant-V3 %u %s %x (%s)\n",
1462                       val, name, sym->constant_v3.type, x);
1463                 /* FIXME: we should add this as a constant value */
1464             }
1465             break;
1466
1467         case S_UDT_V1:
1468             if (sym->udt_v1.type)
1469             {
1470                 if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
1471                     symt_new_typedef(msc_dbg->module, symt,
1472                                      terminate_string(&sym->udt_v1.p_name));
1473                 else
1474                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1475                           terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
1476             }
1477             break;
1478         case S_UDT_V2:
1479             if (sym->udt_v2.type)
1480             {
1481                 if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
1482                     symt_new_typedef(msc_dbg->module, symt,
1483                                      terminate_string(&sym->udt_v2.p_name));
1484                 else
1485                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1486                           terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
1487             }
1488             break;
1489         case S_UDT_V3:
1490             if (sym->udt_v3.type)
1491             {
1492                 if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
1493                     symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
1494                 else
1495                     FIXME("S-Udt %s: couldn't find type 0x%x\n",
1496                           sym->udt_v3.name, sym->udt_v3.type);
1497             }
1498             break;
1499
1500          /*
1501          * These are special, in that they are always followed by an
1502          * additional length-prefixed string which is *not* included
1503          * into the symbol length count.  We need to skip it.
1504          */
1505         case S_PROCREF_V1:
1506         case S_DATAREF_V1:
1507         case S_LPROCREF_V1:
1508             name = (const char*)sym + length;
1509             length += (*name + 1 + 3) & ~3;
1510             break;
1511
1512         case S_PUB_DATA_V3:
1513             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1514             {
1515                 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1516                 symt_new_public(msc_dbg->module,
1517                                 flt ? flt->compiland : NULL,
1518                                 sym->data_v3.name,
1519                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1520                                 0, FALSE /* FIXME */, FALSE);
1521             }
1522             break;
1523         case S_PUB_FUNC1_V3:
1524         case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
1525             if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
1526             {
1527                 flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
1528                 symt_new_public(msc_dbg->module,
1529                                 flt ? flt->compiland : NULL,
1530                                 sym->data_v3.name,
1531                                 codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
1532                                 0, TRUE /* FIXME */, TRUE);
1533             }
1534             break;
1535
1536         case S_MSTOOL_V3: /* just to silence a few warnings */
1537             break;
1538
1539         default:
1540             FIXME("Unsupported symbol id %x\n", sym->generic.id);
1541             dump(sym, 2 + sym->generic.len);
1542             break;
1543         }
1544     }
1545
1546     if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
1547
1548     HeapFree(GetProcessHeap(), 0, linetab);
1549     return TRUE;
1550 }
1551
1552 /*========================================================================
1553  * Process PDB file.
1554  */
1555
1556 struct pdb_lookup
1557 {
1558     const char*                 filename;
1559     enum {PDB_JG, PDB_DS}       kind;
1560     union
1561     {
1562         struct
1563         {
1564             DWORD               timestamp;
1565             struct PDB_JG_TOC*  toc;
1566         } jg;
1567         struct
1568         {
1569             GUID                guid;
1570             struct PDB_DS_TOC*  toc;
1571         } ds;
1572     } u;
1573 };
1574
1575 static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
1576                          int size)
1577 {
1578     int                         i, num_blocks;
1579     BYTE*                       buffer;
1580
1581     if (!size) return NULL;
1582
1583     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1584     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1585
1586     for (i = 0; i < num_blocks; i++)
1587         memcpy(buffer + i * pdb->block_size,
1588                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1589
1590     return buffer;
1591 }
1592
1593 static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
1594                          int size)
1595 {
1596     int                         i, num_blocks;
1597     BYTE*                       buffer;
1598
1599     if (!size) return NULL;
1600
1601     num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
1602     buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
1603
1604     for (i = 0; i < num_blocks; i++)
1605         memcpy(buffer + i * pdb->block_size,
1606                (const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
1607
1608     return buffer;
1609 }
1610
1611 static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
1612                               const struct PDB_JG_TOC* toc, DWORD file_nr)
1613 {
1614     const WORD*                 block_list;
1615     DWORD                       i;
1616
1617     if (!toc || file_nr >= toc->num_files) return NULL;
1618
1619     block_list = (const WORD*) &toc->file[toc->num_files];
1620     for (i = 0; i < file_nr; i++)
1621         block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
1622
1623     return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
1624 }
1625
1626 static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
1627                               const struct PDB_DS_TOC* toc, DWORD file_nr)
1628 {
1629     const DWORD*                block_list;
1630     DWORD                       i;
1631
1632     if (!toc || file_nr >= toc->num_files) return NULL;
1633
1634     if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
1635     {
1636         FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
1637         return NULL;
1638     }
1639     block_list = &toc->file_size[toc->num_files];
1640     for (i = 0; i < file_nr; i++)
1641         block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
1642
1643     return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
1644 }
1645
1646 static void* pdb_read_file(const BYTE* image, const struct pdb_lookup* pdb_lookup,
1647                            DWORD file_nr)
1648 {
1649     switch (pdb_lookup->kind)
1650     {
1651     case PDB_JG:
1652         return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
1653                                 pdb_lookup->u.jg.toc, file_nr);
1654     case PDB_DS:
1655         return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
1656                                 pdb_lookup->u.ds.toc, file_nr);
1657     }
1658     return NULL;
1659 }
1660
1661 static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
1662 {
1663     switch (pdb_lookup->kind)
1664     {
1665     case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
1666     case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
1667     }
1668     return 0;
1669 }
1670
1671 static void pdb_free(void* buffer)
1672 {
1673     HeapFree(GetProcessHeap(), 0, buffer);
1674 }
1675
1676 static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
1677 {
1678     switch (pdb_lookup->kind)
1679     {
1680     case PDB_JG:
1681         if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
1682         break;
1683     case PDB_DS:
1684         if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
1685         break;
1686     }
1687 }
1688
1689 static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
1690 {
1691     memset(types, 0, sizeof(PDB_TYPES));
1692     if (!image) return;
1693
1694     if (*(const DWORD*)image < 19960000)   /* FIXME: correct version? */
1695     {
1696         /* Old version of the types record header */
1697         const PDB_TYPES_OLD*    old = (const PDB_TYPES_OLD*)image;
1698         types->version     = old->version;
1699         types->type_offset = sizeof(PDB_TYPES_OLD);
1700         types->type_size   = old->type_size;
1701         types->first_index = old->first_index;
1702         types->last_index  = old->last_index;
1703         types->file        = old->file;
1704     }
1705     else
1706     {
1707         /* New version of the types record header */
1708         *types = *(const PDB_TYPES*)image;
1709     }
1710 }
1711
1712 static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
1713                                        int* header_size, const BYTE* image)
1714 {
1715     memset(symbols, 0, sizeof(PDB_SYMBOLS));
1716     if (!image) return;
1717
1718     if (*(const DWORD*)image != 0xffffffff)
1719     {
1720         /* Old version of the symbols record header */
1721         const PDB_SYMBOLS_OLD*  old = (const PDB_SYMBOLS_OLD*)image;
1722         symbols->version         = 0;
1723         symbols->module_size     = old->module_size;
1724         symbols->offset_size     = old->offset_size;
1725         symbols->hash_size       = old->hash_size;
1726         symbols->srcmodule_size  = old->srcmodule_size;
1727         symbols->pdbimport_size  = 0;
1728         symbols->hash1_file      = old->hash1_file;
1729         symbols->hash2_file      = old->hash2_file;
1730         symbols->gsym_file       = old->gsym_file;
1731
1732         *header_size = sizeof(PDB_SYMBOLS_OLD);
1733     }
1734     else
1735     {
1736         /* New version of the symbols record header */
1737         *symbols = *(const PDB_SYMBOLS*)image;
1738         *header_size = sizeof(PDB_SYMBOLS);
1739     }
1740 }
1741
1742 static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
1743                                     PDB_SYMBOL_FILE_EX* sfile,
1744                                     unsigned* size, const void* image)
1745
1746 {
1747     if (symbols->version < 19970000)
1748     {
1749         const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
1750         memset(sfile, 0, sizeof(*sfile));
1751         sfile->file        = sym_file->file;
1752         sfile->range.index = sym_file->range.index;
1753         sfile->symbol_size = sym_file->symbol_size;
1754         sfile->lineno_size = sym_file->lineno_size;
1755         *size = sizeof(PDB_SYMBOL_FILE) - 1;
1756     }
1757     else
1758     {
1759         memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
1760         *size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
1761     }
1762 }
1763
1764 static BOOL CALLBACK pdb_match(char* file, void* user)
1765 {
1766     /* accept first file that exists */
1767     HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1768     TRACE("match with %s returns %p\n", file, h);
1769     if (INVALID_HANDLE_VALUE != h) {
1770         CloseHandle(h);
1771         return FALSE;
1772     }
1773     return TRUE;
1774 }
1775
1776 static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
1777 {
1778     HANDLE      h;
1779     char        dbg_file_path[MAX_PATH];
1780
1781     h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1782                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1783     /* FIXME: should give more bits on the file to look at */
1784     if (h == INVALID_HANDLE_VALUE &&
1785         SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
1786                           dbg_file_path, pdb_match, NULL))
1787     {
1788         h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
1789                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1790         TRACE("with %s returns %p\n", dbg_file_path, h);
1791     }
1792     return (h == INVALID_HANDLE_VALUE) ? NULL : h;
1793 }
1794
1795 static void pdb_process_types(const struct msc_debug_info* msc_dbg,
1796                               const char* image, struct pdb_lookup* pdb_lookup)
1797 {
1798     char*       types_image = NULL;
1799
1800     types_image = pdb_read_file(image, pdb_lookup, 2);
1801     if (types_image)
1802     {
1803         PDB_TYPES   types;
1804         pdb_convert_types_header(&types, types_image);
1805
1806         /* Check for unknown versions */
1807         switch (types.version)
1808         {
1809         case 19950410:      /* VC 4.0 */
1810         case 19951122:
1811         case 19961031:      /* VC 5.0 / 6.0 */
1812         case 19990903:
1813             break;
1814         default:
1815             ERR("-Unknown type info version %ld\n", types.version);
1816         }
1817
1818         /* Read type table */
1819         codeview_parse_type_table(msc_dbg->module, types_image + types.type_offset,
1820                                   types.type_size);
1821         pdb_free(types_image);
1822     }
1823 }
1824
1825 static const char       PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
1826 static const char       PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
1827
1828 static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
1829 {
1830     /* check the file header, and if ok, load the TOC */
1831     TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
1832     switch (pdb_lookup->kind)
1833     {
1834     case PDB_JG:
1835         pdb_lookup->u.jg.toc = NULL;
1836         if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
1837         {
1838             FIXME("Couldn't match JG header\n");
1839             return FALSE;
1840         }
1841         else
1842         {
1843             const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
1844             struct PDB_JG_ROOT*         root;
1845
1846             pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
1847             root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
1848             if (!root)
1849             {
1850                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1851                 return FALSE;
1852             }
1853             switch (root->Version)
1854             {
1855             case 19950623:      /* VC 4.0 */
1856             case 19950814:
1857             case 19960307:      /* VC 5.0 */
1858             case 19970604:      /* VC 6.0 */
1859                 break;
1860             default:
1861                 ERR("-Unknown root block version %ld\n", root->Version);
1862             }
1863             /* Check .PDB time stamp */
1864             if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
1865             {
1866                 ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
1867                     pdb_lookup->filename, root->TimeDateStamp,
1868                     pdb_lookup->u.jg.timestamp);
1869             }
1870             pdb_free(root);
1871         }
1872         break;
1873     case PDB_DS:
1874         pdb_lookup->u.ds.toc = NULL;
1875         if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
1876         {
1877             FIXME("Couldn't match DS header\n");
1878             return FALSE;
1879         }
1880         else
1881         {
1882             const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
1883             struct PDB_DS_ROOT*         root;
1884
1885             pdb_lookup->u.ds.toc =
1886                 pdb_ds_read(pdb,
1887                             (const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
1888                             pdb->toc_size);
1889             root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
1890             if (!root)
1891             {
1892                 ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
1893                 return FALSE;
1894             }
1895             switch (root->Version)
1896             {
1897             case 20000404:
1898                 break;
1899             default:
1900                 ERR("-Unknown root block version %ld\n", root->Version);
1901             }
1902             /* Check .PDB time stamp */
1903             if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
1904             {
1905                 ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
1906                     pdb_lookup->filename,
1907                     wine_dbgstr_guid(&root->guid),
1908                     wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
1909             }
1910             pdb_free(root);
1911         }
1912         break;
1913     }
1914
1915     if (0) /* some tool to dump the internal files from a PDB file */
1916     {
1917         int     i, num_files;
1918
1919         switch (pdb_lookup->kind)
1920         {
1921         case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
1922         case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
1923         }
1924
1925         for (i = 1; i < num_files; i++)
1926         {
1927             unsigned char* x = pdb_read_file(image, pdb_lookup, i);
1928             FIXME("********************** [%u]: size=%08x\n",
1929                   i, pdb_get_file_size(pdb_lookup, i));
1930             dump(x, pdb_get_file_size(pdb_lookup, i));
1931             pdb_free(x);
1932         }
1933     }
1934     return TRUE;
1935 }
1936
1937 static BOOL pdb_process_internal(const struct process* pcs,
1938                                  const struct msc_debug_info* msc_dbg,
1939                                  struct pdb_lookup* pdb_lookup,
1940                                  unsigned module_index);
1941
1942 static void pdb_process_symbol_imports(const struct process* pcs,
1943                                        const struct msc_debug_info* msc_dbg,
1944                                        PDB_SYMBOLS* symbols,
1945                                        const void* symbols_image,
1946                                        char* image, struct pdb_lookup* pdb_lookup,
1947                                        unsigned module_index)
1948 {
1949     if (module_index == -1 && symbols && symbols->pdbimport_size)
1950     {
1951         const PDB_SYMBOL_IMPORT*imp;
1952         const void*             first;
1953         const void*             last;
1954         const char*             ptr;
1955         int                     i = 0;
1956
1957         imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
1958                                          symbols->module_size + symbols->offset_size +
1959                                          symbols->hash_size + symbols->srcmodule_size);
1960         first = (const char*)imp;
1961         last = (const char*)imp + symbols->pdbimport_size;
1962         while (imp < (const PDB_SYMBOL_IMPORT*)last)
1963         {
1964             ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
1965             if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
1966             if (!strcasecmp(pdb_lookup->filename, imp->filename))
1967             {
1968                 if (module_index != -1) FIXME("Twice the entry\n");
1969                 else module_index = i;
1970             }
1971             else
1972             {
1973                 struct pdb_lookup       imp_pdb_lookup;
1974
1975                 imp_pdb_lookup.filename = imp->filename;
1976                 imp_pdb_lookup.kind = PDB_JG;
1977                 imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
1978                 pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
1979             }
1980             i++;
1981             imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
1982         }
1983     }
1984     cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
1985     if (cv_current_module->allowed) FIXME("Already allowed ??\n");
1986     cv_current_module->allowed = TRUE;
1987     pdb_process_types(msc_dbg, image, pdb_lookup);
1988 }
1989
1990 static BOOL pdb_process_internal(const struct process* pcs,
1991                                  const struct msc_debug_info* msc_dbg,
1992                                  struct pdb_lookup* pdb_lookup,
1993                                  unsigned module_index)
1994 {
1995     BOOL        ret = FALSE;
1996     HANDLE      hFile, hMap = NULL;
1997     char*       image = NULL;
1998     char*       symbols_image = NULL;
1999
2000     TRACE("Processing PDB file %s\n", pdb_lookup->filename);
2001
2002     /* Open and map() .PDB file */
2003     if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
2004         ((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
2005         ((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
2006     {
2007         WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
2008         goto leave;
2009     }
2010     pdb_init(pdb_lookup, image);
2011
2012     symbols_image = pdb_read_file(image, pdb_lookup, 3);
2013     if (symbols_image)
2014     {
2015         PDB_SYMBOLS symbols;
2016         char*       modimage;
2017         char*       file;
2018         int         header_size = 0;
2019
2020         pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
2021         switch (symbols.version)
2022         {
2023         case 0:            /* VC 4.0 */
2024         case 19960307:     /* VC 5.0 */
2025         case 19970606:     /* VC 6.0 */
2026         case 19990903:
2027             break;
2028         default:
2029             ERR("-Unknown symbol info version %ld %08lx\n",
2030                 symbols.version, symbols.version);
2031         }
2032
2033         pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
2034
2035         /* Read global symbol table */
2036         modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
2037         if (modimage)
2038         {
2039             codeview_snarf(msc_dbg, modimage, 0,
2040                            pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
2041
2042             pdb_free(modimage);
2043         }
2044
2045         /* Read per-module symbol / linenumber tables */
2046         file = symbols_image + header_size;
2047         while (file - symbols_image < header_size + symbols.module_size)
2048         {
2049             PDB_SYMBOL_FILE_EX          sfile;
2050             const char*                 file_name;
2051             unsigned                    size;
2052
2053             HeapValidate(GetProcessHeap(), 0, NULL);
2054             pdb_convert_symbol_file(&symbols, &sfile, &size, file);
2055
2056             modimage = pdb_read_file(image, pdb_lookup, sfile.file);
2057             if (modimage)
2058             {
2059                 struct codeview_linetab*    linetab = NULL;
2060
2061                 if (sfile.lineno_size)
2062                     linetab = codeview_snarf_linetab(msc_dbg->module,
2063                                                      modimage + sfile.symbol_size,
2064                                                      sfile.lineno_size,
2065                                                      pdb_lookup->kind == PDB_JG);
2066
2067                 if (sfile.symbol_size)
2068                     codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
2069                                    sfile.symbol_size, linetab);
2070
2071                 pdb_free(modimage);
2072             }
2073             file_name = (const char*)file + size;
2074             file_name += strlen(file_name) + 1;
2075             file = (char*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
2076         }
2077     }
2078     else
2079         pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
2080                                    module_index);
2081     msc_dbg->module->module.SymType = SymCv;
2082     ret = TRUE;
2083
2084  leave:
2085     /* Cleanup */
2086     if (symbols_image) pdb_free(symbols_image);
2087     pdb_free_lookup(pdb_lookup);
2088
2089     if (image) UnmapViewOfFile(image);
2090     if (hMap) CloseHandle(hMap);
2091     if (hFile) CloseHandle(hFile);
2092
2093     return ret;
2094 }
2095
2096 static BOOL pdb_process_file(const struct process* pcs,
2097                              const struct msc_debug_info* msc_dbg,
2098                              struct pdb_lookup* pdb_lookup)
2099 {
2100     BOOL        ret;
2101
2102     memset(cv_zmodules, 0, sizeof(cv_zmodules));
2103     codeview_init_basic_types(msc_dbg->module);
2104     ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
2105     codeview_clear_type_table();
2106     return ret;
2107 }
2108
2109 /*========================================================================
2110  * Process CodeView debug information.
2111  */
2112
2113 #define MAKESIG(a,b,c,d)        ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
2114 #define CODEVIEW_NB09_SIG       MAKESIG('N','B','0','9')
2115 #define CODEVIEW_NB10_SIG       MAKESIG('N','B','1','0')
2116 #define CODEVIEW_NB11_SIG       MAKESIG('N','B','1','1')
2117 #define CODEVIEW_RSDS_SIG       MAKESIG('R','S','D','S')
2118
2119 typedef struct _CODEVIEW_HEADER_NBxx
2120 {
2121     DWORD       dwSignature;
2122     DWORD       lfoDirectory;
2123 } CODEVIEW_HEADER_NBxx,* PCODEVIEW_HEADER_NBxx;
2124
2125 typedef struct _CODEVIEW_HEADER_RSDS
2126 {
2127     DWORD       dwSignature;
2128     GUID        guid;
2129     DWORD       unknown;
2130     CHAR        name[1];
2131 } CODEVIEW_HEADER_RSDS,* PCODEVIEW_HEADER_RSDS;
2132
2133 typedef struct _CODEVIEW_PDB_DATA
2134 {
2135     DWORD       timestamp;
2136     DWORD       unknown;
2137     CHAR        name[1];
2138 } CODEVIEW_PDB_DATA, *PCODEVIEW_PDB_DATA;
2139
2140 typedef struct _CV_DIRECTORY_HEADER
2141 {
2142     WORD        cbDirHeader;
2143     WORD        cbDirEntry;
2144     DWORD       cDir;
2145     DWORD       lfoNextDir;
2146     DWORD       flags;
2147 } CV_DIRECTORY_HEADER, *PCV_DIRECTORY_HEADER;
2148
2149 typedef struct _CV_DIRECTORY_ENTRY
2150 {
2151     WORD        subsection;
2152     WORD        iMod;
2153     DWORD       lfo;
2154     DWORD       cb;
2155 } CV_DIRECTORY_ENTRY, *PCV_DIRECTORY_ENTRY;
2156
2157 #define sstAlignSym             0x125
2158 #define sstSrcModule            0x127
2159
2160 static BOOL codeview_process_info(const struct process* pcs,
2161                                   const struct msc_debug_info* msc_dbg)
2162 {
2163     const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
2164     BOOL                        ret = FALSE;
2165     struct pdb_lookup           pdb_lookup;
2166
2167     TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
2168
2169     switch (cv->dwSignature)
2170     {
2171     case CODEVIEW_NB09_SIG:
2172     case CODEVIEW_NB11_SIG:
2173     {
2174         const CV_DIRECTORY_HEADER*      hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
2175         const CV_DIRECTORY_ENTRY*       ent;
2176         const CV_DIRECTORY_ENTRY*       prev;
2177         const CV_DIRECTORY_ENTRY*       next;
2178         unsigned int                    i;
2179
2180         codeview_init_basic_types(msc_dbg->module);
2181         ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
2182         for (i = 0; i < hdr->cDir; i++, ent = next)
2183         {
2184             next = (i == hdr->cDir-1)? NULL :
2185                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
2186             prev = (i == 0)? NULL :
2187                    (const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
2188
2189             if (ent->subsection == sstAlignSym)
2190             {
2191                 /*
2192                  * Check the next and previous entry.  If either is a
2193                  * sstSrcModule, it contains the line number info for
2194                  * this file.
2195                  *
2196                  * FIXME: This is not a general solution!
2197                  */
2198                 struct codeview_linetab*        linetab = NULL;
2199
2200                 if (next && next->iMod == ent->iMod &&
2201                     next->subsection == sstSrcModule)
2202                     linetab = codeview_snarf_linetab(msc_dbg->module,
2203                                                      msc_dbg->root + next->lfo, next->cb,
2204                                                      TRUE);
2205
2206                 if (prev && prev->iMod == ent->iMod &&
2207                     prev->subsection == sstSrcModule)
2208                     linetab = codeview_snarf_linetab(msc_dbg->module,
2209                                                      msc_dbg->root + prev->lfo, prev->cb,
2210                                                      TRUE);
2211
2212                 codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
2213                                ent->cb, linetab);
2214             }
2215         }
2216
2217         msc_dbg->module->module.SymType = SymCv;
2218         ret = TRUE;
2219         break;
2220     }
2221
2222     case CODEVIEW_NB10_SIG:
2223     {
2224         const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
2225         pdb_lookup.filename = pdb->name;
2226         pdb_lookup.kind = PDB_JG;
2227         pdb_lookup.u.jg.timestamp = pdb->timestamp;
2228         pdb_lookup.u.jg.toc = NULL;
2229         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2230         break;
2231     }
2232     case CODEVIEW_RSDS_SIG:
2233     {
2234         const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
2235
2236         TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
2237               wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
2238         pdb_lookup.filename = rsds->name;
2239         pdb_lookup.kind = PDB_DS;
2240         pdb_lookup.u.ds.guid = rsds->guid;
2241         pdb_lookup.u.ds.toc = NULL;
2242         ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
2243         break;
2244     }
2245     default:
2246         ERR("Unknown CODEVIEW signature %08lX in module %s\n",
2247             cv->dwSignature, msc_dbg->module->module.ModuleName);
2248         break;
2249     }
2250
2251     return ret;
2252 }
2253
2254 /*========================================================================
2255  * Process debug directory.
2256  */
2257 BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
2258                              const BYTE* mapping,
2259                              const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
2260                              const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
2261 {
2262     BOOL                        ret;
2263     int                         i;
2264     struct msc_debug_info       msc_dbg;
2265
2266     msc_dbg.module = module;
2267     msc_dbg.nsect  = nsect;
2268     msc_dbg.sectp  = sectp;
2269     msc_dbg.nomap  = 0;
2270     msc_dbg.omapp  = NULL;
2271
2272     __TRY
2273     {
2274         ret = FALSE;
2275
2276         /* First, watch out for OMAP data */
2277         for (i = 0; i < nDbg; i++)
2278         {
2279             if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
2280             {
2281                 msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
2282                 msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
2283                 break;
2284             }
2285         }
2286
2287         /* Now, try to parse CodeView debug info */
2288         for (i = 0; i < nDbg; i++)
2289         {
2290             if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
2291             {
2292                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2293                 if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
2294             }
2295         }
2296
2297         /* If not found, try to parse COFF debug info */
2298         for (i = 0; i < nDbg; i++)
2299         {
2300             if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
2301             {
2302                 msc_dbg.root = mapping + dbg[i].PointerToRawData;
2303                 if ((ret = coff_process_info(&msc_dbg))) goto done;
2304             }
2305         }
2306     done:
2307          /* FIXME: this should be supported... this is the debug information for
2308           * functions compiled without a frame pointer (FPO = frame pointer omission)
2309           * the associated data helps finding out the relevant information
2310           */
2311         for (i = 0; i < nDbg; i++)
2312             if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
2313                 FIXME("This guy has FPO information\n");
2314 #if 0
2315
2316 #define FRAME_FPO   0
2317 #define FRAME_TRAP  1
2318 #define FRAME_TSS   2
2319
2320 typedef struct _FPO_DATA
2321 {
2322         DWORD       ulOffStart;            /* offset 1st byte of function code */
2323         DWORD       cbProcSize;            /* # bytes in function */
2324         DWORD       cdwLocals;             /* # bytes in locals/4 */
2325         WORD        cdwParams;             /* # bytes in params/4 */
2326
2327         WORD        cbProlog : 8;          /* # bytes in prolog */
2328         WORD        cbRegs   : 3;          /* # regs saved */
2329         WORD        fHasSEH  : 1;          /* TRUE if SEH in func */
2330         WORD        fUseBP   : 1;          /* TRUE if EBP has been allocated */
2331         WORD        reserved : 1;          /* reserved for future use */
2332         WORD        cbFrame  : 2;          /* frame type */
2333 } FPO_DATA;
2334 #endif
2335
2336     }
2337     __EXCEPT(page_fault)
2338     {
2339         ERR("Got a page fault while loading symbols\n");
2340         ret = FALSE;
2341     }
2342     __ENDTRY
2343     return ret;
2344 }